556449039 has 12 divisors (see below), whose sum is σ = 829687872. Its totient is φ = 358999200.

The previous prime is 556449037. The next prime is 556449053. The reversal of 556449039 is 930944655.

556449039 is a `hidden beast` number, since 556 + 4 + 4 + 90 + 3 + 9 = 666.

556449039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 556449039 - 2¹ = 556449037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556448985 and 556449003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556449037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 996942 + ... + 997499.

It is an arithmetic number, because the mean of its divisors is an integer number (69140656).

Almost surely, 2^556449039 is an apocalyptic number.

556449039 is a deficient number, since it is larger than the sum of its proper divisors (273238833).

556449039 is a wasteful number, since it uses less digits than its factorization.

556449039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994478 (or 1994475 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 556449039 is about 23589.1720711008. The cubic root of 556449039 is about 822.5111593291.

The spelling of 556449039 in words is "five hundred fifty-six million, four hundred forty-nine thousand, thirty-nine".